525403773243 has 16 divisors (see below), whose sum is σ = 796477728640. Its totient is φ = 342123386472.

The previous prime is 525403773217. The next prime is 525403773313. The reversal of 525403773243 is 342377304525.

525403773243 is a `hidden beast` number, since 5 + 2 + 540 + 3 + 77 + 32 + 4 + 3 = 666.

It is not a de Polignac number, because 525403773243 - 2¹⁶ = 525403707707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525403773443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226270921 + ... + 226273242.

It is an arithmetic number, because the mean of its divisors is an integer number (49779858040).

Almost surely, 2^525403773243 is an apocalyptic number.

525403773243 is a deficient number, since it is larger than the sum of its proper divisors (271073955397).

525403773243 is a wasteful number, since it uses less digits than its factorization.

525403773243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452544215 (or 452544209 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 45.

The spelling of 525403773243 in words is "five hundred twenty-five billion, four hundred three million, seven hundred seventy-three thousand, two hundred forty-three".